AT91SAM7S64C-AU Atmel, AT91SAM7S64C-AU Datasheet - Page 128

• Manufacturer Part Number: AT91SAM7S64C-AU
• Description: IC ARM7 MCU 32BIT 64K 64LQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7S64C-AU

• Package / Case: 64-LQFP
• Voltage - Supply (vcc/vdd): 1.65 V ~ 1.95 V
• Operating Temperature: -40°C ~ 85°C
• Speed: 55MHz
• Number Of I /o: 32
• Core Processor: ARM7
• Program Memory Type: FLASH
• Ram Size: 16K x 8
• Program Memory Size: 64KB (64K x 8)
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Peripherals: Brown-out Detect/Reset, DMA, POR, PWM, WDT
• Connectivity: I²C, SPI, SSC, UART/USART, USB
• Core Size: 16/32-Bit
• Core: ARM7TDMI
• Package: 64LQFP
• Device Core: ARM7TDMI
• Family Name: AT91
• Maximum Speed: 55 MHz
• Operating Supply Voltage: 1.8|3.3 V
• Data Bus Width: 32 Bit
• Number Of Programmable I/os: 32
• Interface Type: SPI/TWI/USART/USB
• On-chip Adc: 8-chx10-bit
• Number Of Timers: 3
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details
• Other names: AT91SAM7S64B-AU::AT91SAM7S64B-AU

Figure 20-4. AT91SAM7S32/16 Parallel Programming Timing, Write Sequence
Table 20-4.
20.2.4.2
Figure 20-5.
128
Step
1
2
3
4
5
6
AT91SAM7S Series Preliminary
Programmer Action
Sets MODE and DATA signals
Clears NCMD signal
Waits for RDY low
Releases MODE and DATA signals
Sets NCMD signal
Waits for RDY high
Read Handshaking
Write Handshake
AT91SAM7S542/256/128/321/161 Parallel Programming Timing, Read Sequence
DATA[15:0]
MODE[3:0]
MODE[3:0]
DATA[7:0]
For details on the read handshaking sequence, refer to
NVALID
NVALID
NCMD
NCMD
NOE
NOE
RDY
RDY
1
1
2
2
Adress IN
ADDR
3
3
Waits for NCMD low
Latches MODE and DATA
Clears RDY signal
Executes command and polls NCMD high
Executes command and polls NCMD high
Sets RDY
Device Action
4
5
Z
4
6
7
Data OUT
5
8
9
Figure
10
11
X
12
20-5,
13
IN
Figure 20-6
Data I/O
Input
Input
Input
Input
Input
Input
6175K–ATARM–30-Aug-10
and
Table
20-5.